January in Hammamet is the rainiest and the coldest month of the year. In January, the weather in Hammamet is typically warm. Average daily high temperature in January is about 15 degrees above zero. On average, Hammamet has 13 sunny, 9 partly cloudy, 8 rainy, and 1 cloudy day in January. The rains are usually moderate. January as well as February, March, and December is considered the most uncomfortable time to visit Hammamet.